STMicro uPSD34XX Debug Pin

Hey all,

I wondered if anyone has any experience with ST's uPSD34XX series of MCU's and debugging them via JTAG through uVision3? The chips have an external debug event pin that can apparently be configured as either an input (to cause a break) or an output (to trigger a scope on a break). ST support hasn't provided much help and I can't seem to find ANYWHERE in the IDE to configure this pin. Does anyone know how this is done?

Best Regards,

Jay Daniel

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  • Hi Jay,

    uVision/ULINK uses all uPSD break events for access and execution breakpoints which you set in uVision. There is currently no way to use 'Debug Event Pin' as input or output. Even if you would program the break registers yourself, uVision would overwrite these registers with every application program start/stop.

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  • Hi Jay,

    uVision/ULINK uses all uPSD break events for access and execution breakpoints which you set in uVision. There is currently no way to use 'Debug Event Pin' as input or output. Even if you would program the break registers yourself, uVision would overwrite these registers with every application program start/stop.

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